There’s a Big Issue with GM’s SUVs and No One Seems to Have a Solution - Diesel Truck Forum -
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post #1 of 1 (permalink) Old 12-16-2015, 03:27 PM Thread Starter
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There’s a Big Issue with GM’s SUVs and No One Seems to Have a Solution

Many owners of General Motors’ 2015 and 2016 full-size SUVs are not particularly happy with their purchase.

Online forums and the National Highway Traffic Safety Administration’s (NHTSA) complaints database are flooded with posts alleging that GM’s full-size SUVs, including the Chevy Tahoe and Suburban, GMC Yukon and Cadillac Escalade, all exhibit the same off-putting traits: unexplainable wind buffeting and vibration. Many of the complaints allege that these problems also affect the Chevy Silverado and GMC Sierra. was first made aware of the issue when Daryl Watkins, the owner of a 2016 GMC Yukon XL Denali, alerted us by e-mail. 'I am the new owner of a 2016 GMC Yukon XL Denali,' Watkins said. 'Imagine the sound/feel when a window is cracked riding down the road except it occurring when all windows are up and at all speeds above 35mph.'

Along with the buffeting, a vibration can be felt inside the cabin. According to many of those affected, the sensation gets worse when the vehicle switches into V4 mode, as these engines are equipped with cylinder deactivation.

And it’s not just an annoying sound – the defect seems to be causing some health issues.

'Pressure, sound and sensation at low to mid range speeds. Creating headache, dizziness and strain,' reads one complaint on the NHTSA database ( NHTSA ID Number: 10701714).

More complaints can be found online, including on forums, though there are some posts from owners who have have a GM SUV and have no buffeting or vibration.‘s editors have put plenty of miles in numerous examples of these big GM trucks, from the Cadillac Escalade to the Chevy Tahoe, and have never experienced anything like what Watkins described.

Still, the overwhelming outcry on the Internet over the problem is too big to ignore.
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